function popup(url) {
    window.open(url, 'csmallpopup', 'toolbar=0,scrollbars=0,location=0,statusbar=0,menubar=0,resizable=0,width=1024,height=500');
}
function winPopup(url) {
    window.open(url, 'cpopup', 'toolbar=0,scrollbars=1,location=0,statusbar=0,menubar=0,resizable=0,width=1024,height=768');
}

function externalLinks() {
    if (!document.getElementsByTagName) return;
    var anchors = document.getElementsByTagName("a");
    for (var i = 0; i < anchors.length; i++) {
        var anchor = anchors[i];
        if (anchor.getAttribute("href") &&
        anchor.getAttribute("rel") == "external")
        anchor.target = "_blank";
    }
}
window.onload = externalLinks;